﻿Public Class ColdActiveForm


    Private _pi As ProjectItem

    '选择设备的网络地址
    Private _netID As Byte = 0

    '选择的冷库编号
    Private _refID As UShort = 0
    '起始地址
    Private _offset As UShort '= 49   '1号冷库的地址偏移


    'Private _offsetEx16 As UShort = 70   '1号冷库的地址偏移


    Private offset_gap_eachref As UShort '= 30 '每一冷库之间的地址偏移

    Private buf() As UShort

    '正在修改参数标志
    Private _isModify As Boolean = False

    Private Sub ActiveForm_FormClosing(ByVal sender As Object, ByVal e As System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing
        If Me._isModify Then
            Me.ExitModify()
        End If
        MyBase.OnClosing(e)
    End Sub

    Private Sub ActiveForm_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        _pi = MainForm.pi

        ClearData()

        Me.HideAllControl()


        LoadAllRef()

    End Sub

    Private Sub ClearData()
        For Each ctl As Control In Me.ActivePanel.Controls
            If ctl.GetType Is GetType(RadioButton) Then
                CType(ctl, RadioButton).Checked = False
            End If
        Next
       
    End Sub

    '隐藏/显示Panel中的所有控件
    Private Sub HideAllControl()
        For Each ctl As Control In Me.ActivePanel.Controls
            ctl.Visible = False
            If ctl.GetType Is GetType(RadioButton) Then
                CType(ctl, RadioButton).Enabled = False
            End If
        Next

        Me.btnModify.Enabled = False
        Me.btnOK.Enabled = False
        Me.lbl_tip.Visible = True
        Me.lblSelected.Text = ""
    End Sub

    Private Sub LoadAllRef()
        Dim tn As TreeNode
        Dim tn1 As TreeNode

        Dim dts As New DevTypeService(_pi)
        Dim rts As New RefTypeService(_pi)

        For Each dti As DevTypeItem In dts.GeDevGroupList()   '设备列表
            tn = Me.TreeView1.Nodes.Add(String.Format("{0}号设备", dti.NetId))
            tn.Tag = dti
            For Each rti As RefTypeItem In rts.GeRefGroupList(dti.NetId) '增加该设备冷库信息
                tn1 = tn.Nodes.Add(rti.RefName)
                tn1.Tag = rti
            Next
        Next

        Me.TreeView1.ExpandAll()

    End Sub

    Private Sub btnOK_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnOK.Click
        Dim result As Boolean = False
        Me.Cursor = Cursors.WaitCursor

        TreeView1.Enabled = False

        Me.btnOK.Enabled = False
        Me.btnCancel.Enabled = False
        Me.ActivePanel.Enabled = False
        Me._isSaving = True
        result = Save()
        Me._isSaving = False
        Me.btnOK.Enabled = True
        Me.btnCancel.Enabled = True
        Me.ActivePanel.Enabled = True

        Me.Cursor = Cursors.Default

        If result Then
            EnableModify(False)
            msg.Show("参数保存成功")

            RefreshData() '重新读取数据

        Else
            msg.ShowError("参数保存失败")
        End If

        TreeView1.Enabled = True
    End Sub

#Region "发送心跳包"

    '心跳包连续发送错误的次数
    Private _heartFailCount As Integer = 0

    '心跳值
    Private _heartValue As Short = 0

    '心跳值是否初始化
    Private _bheartValue As Boolean = False

    '是否正在发送心跳标志
    Private _heartSending As Boolean = False

    '是否正在保存标志
    Public _isSaving As Boolean = False

    '心跳包地址
    Private _heartIncreamentAddress As UShort = 7063
    '心跳参数ID为选择ID
    Private netid As Byte

    ''' <summary>
    ''' 发送心跳包
    ''' </summary>
    ''' <remarks></remarks>
    Private Sub HeartSend()
        If _bheartValue = False Then
            Dim b() As Short
            netid = _netID
            b = COMHelper.Instance.Send4Short(netid, FunctionCode.WordWritableRead, _heartIncreamentAddress, 1)
            If b IsNot Nothing AndAlso b.Length = 1 Then
                _heartValue = b(0)
                _bheartValue = True
            Else
                Exit Sub
            End If
        End If

        _heartValue = (_heartValue + 1) Mod UShort.MaxValue

        Dim result As Boolean
        result = COMHelper.Instance.Write(netid, FunctionCode.WordWrite, _heartIncreamentAddress, _heartValue)

        If result Then
            _heartFailCount = 0
        Else
            _heartFailCount += 1
        End If

        If _heartFailCount > 10 Then
            '提示用户可能断开连接了.
        End If

    End Sub

    ''' <summary>
    ''' 心跳定时器Tick事件
    ''' </summary>
    ''' <param name="sender"></param>
    ''' <param name="e"></param>
    ''' <remarks></remarks>
    Private Sub TimerHeart_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TimerHeart.Tick
        If Not g_HeartSend Then
            Exit Sub
        End If

        If _heartSending OrElse _isSaving Then
            Exit Sub
        End If

        _heartSending = True
        Me.HeartSend()
        _heartSending = False
    End Sub

#End Region

    Private Sub btnCancel_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCancel.Click
        Me.Close()
    End Sub

    Private Sub btnModify_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnModify.Click
        Me.btnModify.Enabled = False
        If EnterModify() = False Then
            msg.Show("无法修改参数请重试")
            Me.btnModify.Enabled = True
            Exit Sub
        End If

        EnableModify(True)
       

    End Sub

    Private Sub EnableModify(ByVal value As Boolean)

        Me.btnModify.Enabled = Not value
        Me.btnOK.Enabled = value

        For Each ctl As Control In Me.ActivePanel.Controls
            If ctl.GetType Is GetType(RadioButton) Then
                CType(ctl, RadioButton).Enabled = value
            End If
        Next


    End Sub


    ''' <summary>
    ''' 保存所有参数
    ''' </summary>
    ''' <returns></returns>
    ''' <remarks></remarks>
    Private Function Save() As Boolean

        Select Case CInt(lbltitle.Tag)
            Case 1
                If Me.rb_active.Checked = True Then
                    If Not Save((_refID - 1) * offset_gap_eachref, 2) Then '设置为激活
                        Return False
                    End If
               
                End If

          

            Case 2
                If Me.rb_inactive.Checked = True Then
                    If Not Save((_refID - 1) * offset_gap_eachref, 1) Then '设置为未激活
                        Return False
                    End If


                End If

        End Select


        'If rb_active.Checked = True AndAlso CInt(lbltitle.Tag) = 1 Then
        '    '参数已修改，需要保存
        '    If Not Save((_refID - 1) * offset_gap_eachref, 2) Then '设置为激活
        '        Return False
        '    End If
        'End If

        'If rb_inactive.Checked = True AndAlso CInt(lbltitle.Tag) = 2 AndAlso Me.rb_inactive_show.Checked = True Then
        '    '参数已修改，需要保存
        '    If Not Save((_refID - 1) * offset_gap_eachref, 1) Then '设置为未激活
        '        Return False
        '    End If
        'End If
        'If rb_inactive.Checked = True AndAlso CInt(lbltitle.Tag) = 1 AndAlso Me.rb_inactive_null.Checked = True Then
        '    '参数已修改，需要保存
        '    If Not Save((_refID - 1) * offset_gap_eachref, 3) Then '设置为未激活显示数据
        '        Return False
        '    End If
        'End If

        '设置修改使能变量
        If ParameterModifyClass.SetModifyConfirm(_netID) = False Then
            Return False
        End If

        ' Me.TimerHeart.Stop()

        '修改门变量
        If ExitModify() = False Then
            Debug.Write("ExitModify错误")
        End If

        Return True
    End Function

    ''' <summary>
    ''' 保存参数
    ''' </summary>
    ''' <param name="index"></param>
    ''' <param name="value"></param>
    ''' <returns></returns>
    ''' <remarks></remarks>
    Private Function save(ByVal index As UShort, ByVal value As UShort) As Boolean
        Dim offset As UShort = _offset + index + 1000
        Return COMHelper.Instance.Write(_netID, FunctionCode.WordWrite, offset, value)
    End Function

    ''' <summary>
    ''' 进入修改
    ''' </summary>
    ''' <returns></returns>
    ''' <remarks></remarks>
    Private Function EnterModify() As Boolean
        If g_test Then
            _isModify = True
            Return True
        End If

        _isModify = True

        Dim result As Boolean
        result = ParameterModifyClass.EnterModify(_netID)

        If result = False Then
            _isModify = False
            Return False
        End If

        '开始发送心跳包
        Me.TimerHeart.Start()

        Return True
    End Function


    ''' <summary>
    ''' 退出修改
    ''' </summary>
    ''' <returns></returns>
    ''' <remarks></remarks>
    Private Function ExitModify() As Boolean
        '门变量置为1
        Dim result As Boolean
        result = ParameterModifyClass.ExitModify(_netID)

        '停止发送心跳包
        Me.TimerHeart.Stop()

        If result = True Then  '修改门变量成功
            _isModify = False
        End If
        Return True
    End Function

    Private Sub TreeView1_AfterSelect(ByVal sender As System.Object, ByVal e As System.Windows.Forms.TreeViewEventArgs) Handles TreeView1.AfterSelect
        Dim tn As TreeNode
        Dim rti As RefTypeItem
        Dim DevType As Integer

        tn = Me.TreeView1.SelectedNode

        If tn Is Nothing Then
            Exit Sub
        End If

        If TypeOf tn.Tag Is DevTypeItem Then
            Exit Sub
        End If

        If TypeOf tn.Tag Is RefTypeItem Then

            TreeView1.Enabled = False

            ClearData() '切换前先清除显示修正数据

            rti = CType(tn.Tag, RefTypeItem)

            _refID = rti.RefId '记录当前选择的冷库ID

            DevType = DevTypeService.GetdevType(MainForm.pi.ProjectID, rti.NetId)
            If DevType = 1 Then
                offset_gap_eachref = 30
                _offset = 49
            ElseIf DevType = 16 Then
                offset_gap_eachref = 60
                _offset = 70

            End If

            '显示选择设备的名称
            Me.lblSelected.Text = tn.Text

            '关闭设备选择提示
            lbl_tip.Visible = False

            '禁止点击"修改"按钮前修改参数
            Me.btnModify.Enabled = False
            Me.btnOK.Enabled = False

            For Each ctl As Control In Me.ActivePanel.Controls
                ctl.Visible = True
            Next

            '如果正在修改参数，则取消修改，置位门变量，停止发送心跳包
            If Me._isModify Then
                Me.ExitModify()
            End If

            _netID = rti.NetId   '保存当前选择的设备号

            '读取参数
            Dim result As Boolean = RefreshData()

            EnableModify(False)

            If result = False Then
                Me.btnModify.Enabled = False
            Else
                Me.btnModify.Enabled = True
            End If
            TreeView1.Enabled = True

        End If
    End Sub


    ''' <summary>
    ''' 刷新AI原点修正数据
    ''' </summary>
    ''' <remarks></remarks>
    Private Function RefreshData() As Boolean

        Me.Cursor = Cursors.WaitCursor

        Try
            buf = COMHelper.Instance.Send4UShort(_netID, FunctionCode.WordWritableRead, _offset + offset_gap_eachref * (_refID - 1), 1)
        Catch ex As Exception
            Debug.WriteLine(ex.Message)
        Finally
            Me.Cursor = Cursors.Default
        End Try

        If buf Is Nothing Then
            Me.btnModify.Enabled = False
            ClearData()
            msg.ShowError("读取参数失败")
            Return False
        End If

        Me.btnModify.Enabled = True

        If buf(0) = 1 Then '未激活

            rb_active.Checked = False
            rb_inactive.Checked = True

        ElseIf buf(0) = 2 Then '激活
            rb_active.Checked = True
            rb_inactive.Checked = False
          

        End If

        lbltitle.Tag = buf(0)

        Return True

    End Function

    Private Sub lbltitle_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles lbltitle.Click

    End Sub

    
End Class